Player selectors (@p, @e, etc) now support cubic areas. For example: @e[x=0,y=0,z=0,dx=10,dy=10,dz=10] gets all entities between 0,0,0 and 10,10,10

Added /clone command to copy large areas to other areas

Added a /fill command to fill a large area with a block

To get snapshots, open your launcher and press the “New Profile” button. Call it “snapshots” and check the box saying “Enable experimental development snapshots” and save. To switch to the normal version, you can select it in the dropdown at the bottom left corner of the launcher.

Check out the video guide by InTheLittleWood down below for a more in depth look at the snapshot.